love: Fix buffer overflow #419
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sizeof(&md5string[i * 2]) is a sizeof of a pointer, so 4 or 8 instead of intended 3 (2 hex digits + \0) leading to a potential overflow
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sizeof(&md5string[i * 2]) is a sizeof of a pointer, so 4 or 8
instead of intended 3 (2 hex digits + \0) leading to a potential overflow